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SA AK450PC
Diagram
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Panasonic SA AK450PC, SA-AK450P Diagram

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Page 1
SA-AK450P / SA-AK45 0PC
19 Schematic Diagram
19.1. (A) CD Servo Circuit
1234567891011121314
A
SCHEMATIC DIAGRAM - 1
OPTICAL PICKUP CIRCUIT
CD SERVO CIRCUIT
: + B SIGNAL LINE
: CD DASIGNAL LINE
: CD SIGNAL LINE
A
(FOR REFERENCE ONLY)
R7601
LASER DIODE
6
B
C
8
NBOUT
GND
NAOUT
VREF
C
8
7
6
5
C
C
11 12
4
9
10
5
2
3
C
GND
1
2
VCC
C
3
BIN
4
AIN
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16
CN7001
VCC
LD GND
GND
GND (GUARD)
VREF
LPD
GND (GUARD)
W7025
1 2
F
3
E
4
LD
5 6 7
A
8 9
B
10 11 12 13
T-
14
T+
15
F-
16
F+
Q7601
B1ADCF000001
0
LASER POWER DRIVE
C7601
4.7
6.3V33
5.6R7650
C7613
0.1
W7023
0
C7670
0.1
D
E
GND1
D4-
D1+
191817 2014 16
D4+
PVCC2
PGND2
PVCC1
D1-
PGND1
0
W7027
TP
+
36
GND
NC
IC7002
BA5948FPE2
4 CH DRIVE IC
GND
NC
TP
C7335
0.1
C7334 10V220
39
D3-D2+
D3+D2-
13 12 911 1013
TP
38
TP
+
37
F
G
TP
22 2321 282724 25 26
NC
NC
W7022 0 W7020 0 W7019 0 W7018 0
C7626
0.1
W7017
0
C7614
6.3V100
W7026
0
TP
28
VREF
0
W7016
W7024
0
90
R7327
1k
TRV GAIN
R7336
10
NC
NC
VCC
VREF
NC
NC
PC1
IN1
R7335
100
C7352
0.018
FO GAIN
IN4
IN3
IN2
PC2
21678345
R7349
R7329
C7338
0.056
R7323
3.3k
R7325
330
W7021
18k
1k
R7339
R7217
1k
C7225 1000P
C7226
C7218
50 49 48 47 46 45 44 43 42
40 39 38 37 36 35 34 33 32 31 30 29 28 27 26
0.082
C7241
1000P
R7212
820
ARFIN
ARFDC AVDD2 RFIN RFOUT RFENV CENV LD PD A C B D F E VREF CTRCRS OSCIN AVSS2 SRVMON1 SRVMON0 DVDD1 IODD2
FOP
25
DSLF
TRP
23 21 20224124
IREF
TRVP
PLLF
PC
R7221
100
C7231
6.3V220
W7005
0
C7230
0.1
OUTL
OUTR
PLLF0
AVSS1
DVSS3
AVDD1
[50] ARFFB [49] ARFOUT
MN6627954MA
SERVO PROCESSOR/
DIGITAL SIGNALPROCESSOR/
DIGITAL FILTER D/A CONVERTER
[26] DVSS1
BA1
BA0
PRAMVDD15
PRAMVDD33
PRAMVSS33
SPOUT
19 17 15 141618
10u
C7164
10u
C7165
R7332
1k
TP87TP
86
EXT0
NSRVMONON
IC7001
A0
A10
13
EXT1
A1
TP
EXT2
A2
24
FLAG
A3
10 8 7912 11
TX
NRAS
MCLK
MDATA
DVDD2 [76]
IODD1 [77]
SDRCK [100]
NWE
NCAS
MLD
A4
R7218 1k
C7263
0.1
7471 7267 685655 58575251 5453 65 6661 6259 60 6463 7069 73 75
NRST
SMCK
DQSYTXT
DVSS2
REGON
X2 X1
NTEST
D2 D1 D0 D3 D4 D5 D6
D7 D15 D14
DRVDD
D13 D12 D11 D10
D9
D8
A9
PMCK
A11
76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99
100
STAT
BLKCK
A6A8A7
A5
465 213
C7234
0.1
C7235 16V10
0
W7011
0.1
C7264
TP
51
(RF)
W7014
0
C7217
3.3k
R7111
10k
R7330
5.6K
0.1
R7211
82k
C7244
0.015
C7216
680P
C7161
0.1
W7015
0
C7102
0.47
TP
50
C7107
0.022
TP
88
TP
89
0.1C7154
10kR7328
0
C7223
W7012
50V4.7
0
C7203
6.3V220
C7204
0.1
C7142 3300P
0
W7013
C7155 0.1
1k
0.018
C7339
C7315
0.47
R7331
22k
R7315
1000P
R7253
10
W7003
W7002
0
0
C7233
TP TP TP
TP
W7001
0
W7004
0
0.1
8 9 31
4
TP
14
W7010
0
W7009
0
W7008
0
W7006
0
C7232
6.3V220
R7214
X7201
H2B169500005
TP
470
13
TP
R7254
C7166
0.01
7
1K
D7650
MAZ80560ML
C7228
50V1
W7007
0
TP
12
TP
3
S7201
REST SW
R7220
1M
2
TP
16
TP
19
TP
18
C7227
50V1
TP
17
B
C
LB7262-LB7264 D0GBR00JA008
CN7002
22
AGND
21
LCH OUT
20
AGND
19
W7029
0
0.1
11
TP
18 17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
10
RCH OUT DGND ST_IN ST_CLK ST_REQ
3.3V DGND LD SW TX
7.5V PGND MCLK MDATA MLD BLKCK STAT RST RESET_SW LOADING
TO MAIN CIRCUIT (CN2801) IN SCHEMATIC DIAGRAM-5
D
E
F
C7253
470P
W7028
C7243
0
TP
1
TP
2
31
TP
G
M7301 M7302
TRAVERSE MOTOR
H
SPINDLE MOTOR
SA-AK450P/PC CD SERVO CIRCUIT
H
1234567891011121314
67
Page 2
SA-AK450P / SA-AK45 0PC
19.2. (B) XM Module Circuit
1234567891011121314
A
B
C
D
E
F
G
SCHEMATIC DIAGRAM - 2
B
XM MODULE CIRCUIT
TO MAIN CIRCUIT (CN3100) IN SCHEMATIC DIAGRAM-4
FP1
MUTE
I2S_RATE
LINKACTIVE
AOUT_R
AGND
AOUT_L
DAC_RST
3.3V SC_RXD SC_TXD
ANT_REV
DTIC_RST
DGND DGND
5.3V
5.3V
PWR_CTRL
17 16 15 14 13 12 11 10
9 8 7 6 5 4 3 2 1
3.3V 100mA
5.3V 500mA
R21
47
LB2
J0JHC0000107
R40
100K
R39
100K
C21
0.1
:+B SIGNAL LINE
R54
R53
0
C38
10V10
C37
10V10
LB4 J0JGC0000050
R64
R2
47
100K
R16
47
R17
47
R19
47
R20
47
GND
1 2 3
OUT
IN
OUT
IN
OUT
OC/
EN
0
R57
R58
:XM SIGNAL LINE
LB1
J0JGC0000050
R24
100K
39P
C28
R23
100K
100KR3
R1
100K
1 2 3
C1
4
0.1
R55
100K
100KR4
47
47
0.1
C22
8 7 6 54
5 6 7
C2
8
0.1 9
10 11 12
C3
0.1
C20
0.1
48
47 45 43 4041 38 3739424446
SAII_DA
SAII_EN
SC_TX_OUT
VDD
SC_RX_IN
RFU(I2C_SCL)
RFU(I2C_SDA)
VDD
ANT_REV
VSS
RST-
LINKACTIVE
13
R11
1K
R12
1K
0.1
C13
VDD
[1]LSDP [2]VSS
C1AB00002670
[12]SLAVE_SEL [13]I2S_RATE
TX_EN
C4
100 R10
100
LB3
J0JBC0000014
D1
VSS
MUTE
SAII_CLK
12S_OCLK
12S_LRCLK
[35]DT4_MODE
IC1
XM SAT RADIODRIVER
[25]VSS
RX_M
RX_P
VSS
VDD
VDD
0.1
R9
C18
0.1
C19
0.1
C12
VDD
VSS
C5
0.1
12S_CLK
TX_M
0.1
VSS
HSDP_EN
HSDP_CLK
HSDP_DA
TEST
SC_RATE
TX_P
23201514 18 1916 17 2221 24
D1
MA2J72800L
36
12S_DA
35 34
VDD
33 32 31
VSS
30 29
IN
28
VDD
27
OUT
26 25
VSS
R13
0
R14
0
R62
100K
C10
0.1
R59
100K
C9
R7
0.1 390
X1
H0A451500001
R22
C6 5P
R31
1K
R32
1K
C11
R43
47
10V22
R6
4.7K
X1
0
C7 5P
C16C17
10V220.1
15541213 98611710
1416
VSS
VDD
DZFL
DZFR
VCOM
IC3
PDN0LRCK
SDTI
MCLK
BICK
21
3
0
0
R44
R46
R45
R66
R26 47
R25 47
R15 47
C15
10V10
AOUTL
AOUTR
ACKS
SMUTE
R65 100K
0
LB6
J0JHC0000107
P/S
DIF0
C14
0.1
R8 10K
IC3
C0FBBY000027
2CH D-A CONVERTER
C43
1000P
C42
0.01
4
3
2
1
10V22
C27
LB7
J0JHC0000107
GND
D+
D-
VCC
5
76
JK1
XM
A
B
C
D
E
F
G
IC2
C0DBZYE00002
POWER SUPPLY
H
SA-AK450P/PC XM MODULE CIRCUIT
H
1234567891011121314
68
Page 3
SA-AK450P / SA-AK45 0PC
19.3. (C) Main Circuit
1234567891011121314
A
B
C
D
E
F
SCHEMATIC DIAGRAM - 3
MAIN CIRCUIT
QR3105,QR3106 B1GBCFGG0030
SWITCH
QR3105
PL
MOTOR_H
MO_GND DECK_AD2 MOTOR 9V DECK_AD1
+9V
PB_L
VREF-GND
CN2803
PB_R A_GND A_GND
REC_IN_L REC_IN_R
REC_H
DMT
DVREF
DGND
+5V
PHOTO
BP
TO DECK CIRCUIT (CN1305) IN SCHEMATIC DIAGRAM-11
1 2 3 4 5 6 7 8
9 10 11 12 13 14 15 16 17 18 19 20 21
QR3106
PB_L PB_R A_GND
R2111
2.2K
R2211
2.2K
R2112
5.6K
R2212
5.6K
: +B SIGNAL LINE
R3114
3.3K
R3115
XM_R
XM_L
OUT
3
IN
2
VCC
1
D2871-D2872
IC2872
C0CBAHG00011
VOLATGE REGULATOR
B0EAKM000117
W6610W656
IC2872
3.3K
C2112 1u C2212 C2122 C2222 C2132 C2232 C2152 C2252 C3102 C3103
R3117
27K
D2871
0
: CD SIGNAL
1u 1u 1u 1u 1u 1u 1u 1u 1u
W582
0
W619
0
W579
0
R3116
27K
W580
0
D2872
W575
0
47k
R2674
10k
R2672
: TAPE RECORD SIGNAL LINE
W581
0
C2213 6800P
6800P
C2113
R2102
2.2K
2.2K
R2202
R2204
REC_IN_L
MTR[58]
+15V
+9V
AGND
P_GND DECK_AD2 DECK_AD1
REC_IN_L REC_IN_R
DMT
DVREF+
U_GND
REC[59]
+5V
+3.3V
PHOTO
27K
R2104
27K
REC_IN_R
REC_L
PL
REC_R
A_GND
REC_L
REC_R
C2501
W677
0
W592
0
C3720
1
C3721
1
W674
0
1u
C2581
16V100
C2582
16V100
R2501
R2502
R2103
2.2k
K3700
0
R2163
56K
W675
330k
82k
0
10 11 12 13 14
K3701
R2503
R2203
2.2k
1 2 3 4 5 6 7 8 9
2.7k
C2182
IN-R2 IN-L3 IN-R3 IN-L4 IN-R4 IN-L5 IN-R5 IN-L6
0
C2282
1
R2182
OP-IN
OP-OUT
[1] IN-L1 [2] IN-R1 [3] IN-L2
[12] IN-R6 [13] GND [14] REF-IN
GV_OUT-R
REF-OUT
16 1715
R2281
1u
W667
0
C2503
R2504
100
0
GV_OUT-L
REC-R
R2282
470
1u
R2505
: TAPE PLAYBACK SIGNAL LINE : FM/AM/XM SIGNAL LINE : MAIN SIGNAL LINE
R2173
4.7K
R2172
8.2K
3300P
C2175
C2181
1
C2174
0.22u
470
1k
R2181
R2183
0.01u
C2173
C2183
53 51 50525556 54
SUR2
SUR1
TRE-L
REC-L
PRE-VIN-L
HB-MIX
PRE-VIN-R
1918
0
1u
C2281
R2283
100k
C2283
0.047u
B0ADCC000002
3
0
B1ABCF000176
CONTROL SWITCH
MID-L1
[42] L-OUT [41] NC [40] DATA [39] CLK
IC2803
[32] MID-R2 [31] MID-R1 [30] TRE-R [29] NC
HARMOUT
HARMIN
HB-FLT-OUT
HB-MIX-OUT
2421 2220 23 27 2825 26
50V4.7
0.1u
C2192
C2191
D2191
R2193
D2191
B0ACCK000005
D2503
2
1
Q2501
LEVEL METER
MID-L2
HB-ATT-IN
0.1
C2172
0.01u
C2301
0.1u
C2171
46 44454849 47 43
BASS-L2
BASS-L1
R-OUT
POST-VM-R
T-OUT-R BASS-R2 BASS-R1
HB-LPF-IN
HB-ATT-OUT
R2195
10k
1u
C2193
4.7k
R2194
100k
R2507
100k
R2301
15K
C2302
0.22
0
42 41
AUDIO SOUND PROCESSOR
T-OUT-L
40
POST-VM-L
39 38
VCC
37
C2401
36
C2402
35
C2272
34
C2271
33 32 31 30 29
NC
HB-LPF-OUT
C2195
0.47u
R2196
10k C2194
0.15
C2275
C2509 50V33
C2507
16V0.22u
IC2803
C1BB00001121
R2401
0.22
0.22
15K
0.15
0.15
0.01u
C2274
0.01u
C2273
4.7k
R2273
R2509
R2508
6.8k
R2271
R2510
220
560
1k
+15V
LM_1
3300P
D2583
B0BC9R000008
C2583
W641
0
W5960W671
R2312
A_GND
R2412
C2411
W583
0
0.1u
W651
0
C2588
220p
C2584
R2585
B1GDCFJJ0047
1.2k
330k
MUTING CONTROL
R2511
W678 0
R2584
R2586
560
1.2k
R2587
0
+3.3V
ASP_DA
ASP_CLK
Q2311,Q2411
B1ABGC000005
MUTING SWITCH
C2311
R2311
1u
470
R2355
C2342
10k
270K
1u
10k
C2442
R2455
1u
270k
1u
R2411
470
Q2142,Q2242
B1ABCF000176
AGC CONTROL SWITCH
W597
0
220p
330k
C2585
Q2511
R2512
100k
C2511
2.2
AGND
MUTE_A
Q2311
Q2411
1k
R2702
R2701
1k
-9V
C2701
W588
0
W669
0
W670
0
HP_L
0.01u
W584
R2313
100k
R2413
100k
HP_R
0
C2702
R2347
R2447
: AUX/IPOD SIGNAL LINE
C2705
1u
C2706
1u
R2705
3.3k
C2312
R2145
1K
1u
C2412
1u
R2703
220K
C2703
470P
R2704
220k
C2704
470P
R2245
Q2142
Q2341,Q2441
B1ABGC000005
HEADPHONE MUTING
1
Q2341
R2346
3.3k
100k
R2357
R2446
3.3k
1
R2457
Q2441
100k
IC2804
C0AABB000125
OP AMP
C2313
R2315
56K
47P
C2314
10P
243 1
IC2804
6758
C2414
10P
C2413
R2415
47P
56K
R2706
D2241
3.3K B0ACCK000005
1K
R2146
1K
W591
R2246
0
1K
Q2242
C2245
10
W600
0
R234118R2352
R2345
15k
R2344
R2343
0
0.47u
C2344
0.47u
C2444
R2445
15k
R2444
0
D2241
R2247
100k
18 C2341 1000P
C2441 1000P
R2441
18
R2443
18
W589
0
R2354
C2315 50V22
C2415 50V22
R2249
3.3K
R2149
3.3K
R2248
6.8k
W590
18
18
R2452
18
R2454
18
C1
TO MAIN SECTION (2/4)
C2
0
L
R2353
0
R
R2453
0
+15V
C9
G
TO MAIN SECTION (3/4)
C18
C19
C21
C23
C20
C22
C26
C27
C28
C29
H
1/4 2/4
3/4 4/4
SA-AK450P/PC MAIN CIRCUIT
69
Page 4
SA-AK450P / SA-AK45 0PC
15 16 17 18 19 20 21 22 23 24 25 26 27 28
SCHEMATIC DIAGRAM - 4
MAIN CIRCUIT
TO MAIN SECTION (2/4)
: +B SIGNAL LINE
C1
C2
: XM SIGNAL LINE : MAIN SIGNAL LINE
Q2317,Q2417
B1ABCF000176
MUTING SWITCH
R2316
2.2k
R2317
Q2317
18K
R2356
180k
R2456
180k
R2417
18k
R2416
2.2k
Q2417
C2343
0.47u
C2443
0.47u
TO MAIN SECTION (4/4)
: IPOD SIGNAL LINE
R2435
R2318
100k
R2329
R2418
100k
R2335
1k
3.3K
R2429
3.3K
1k
C2331 4700P
C2431 4700P
C2321
1
W586
0
C2421
1
R2331
0
R2333
15k
R2431
R2321
0
C2423
R2421
W587
0
0.015
0
0
0.015
C2323
15k
R2433
C2333
1u
C2433
1u
C2325 16V10
R2323
R2423
C2425 16V10
A
R2334
0
B
CN2809
F_HOP
1
T-GND
2
MUTE-D-AMP
3
+15V
R2434
0
R2326
10K
R2426
10K
R2328
R2428
15k
C2943
50V2.2
15k
39k
39k
A_GND
DPORT_AUDIO_L DPORT_GND
DPORT_AUDIO_R D_PORT_DET1 A_GND
D_PORT_5V
D_PORT_DET2
USB_SCL-IPOD_RXD ACK_IN
I_POD_LINK USB_SDA-IPOD_TXD
+3.3V
VCC
XM_I2S
XM_LINKACTIVE
XM_MUTE(BUSY)
XM_R A_GND XM_L XM_DAC_RESET CD_3.3V
XM_TXD
XM_RST A_GND
XM5.3V
XM_PCONT +3.3V
XM_RXD
XM_ANT_REV
4
HIGH_L-IN
5
HIGH_R-IN
6
ASP_GND
7
LOW_L-IN
8
LOW_R-IN
9
A_GND
10
SUBW
11
FAN
12
R3412
100
C3101 1000P
R3121
4.7K
TO POWER CIRCUIT (CN5102) IN SCHEMATIC DIAGRAM-10
R3450
47K
R3109
10
R3414
100R
R3415
10k
D3100
B0ACCK000005
C3100
1000p
W654
W673
R3112
0
0
10
R3107
R3105 R3104 R3102 R3101
10 11 12 13
R3111
100
R3108
100
1 2 3 4 5 6 7 8 9
100
100 100 100 100
CN3400
AUDIO_L A_GND AUDIO_R D_PORT-DET1 DGND DGND D_PORT_5V D_PORT_5V D_PORT-DET2 UART_OUT AD_CTRL I-POD_DET UART_IN
MUTE
17
12S_RATE
16 15
LINKACTIVE
14
AOUT_R
13
A_GND
12
AOUT_L
11
DAC_RST
10
D3.3V SC_RXD
9
SC_TXD
8
ANT_REV
7
DTIC_RST
6
D_GND
5
D_GND
4
D5.3V
3 2
D5.3V
PWR_CTRL
1
TO D-PORT CIRCUIT (CN806A) IN SCHEMATIC DIAGRAM-8
TO XM CIRCUIT (FP1) IN SCHEMATIC DIAGRAM-2
CN3100
C
D
E
F
G
FAN
MUTE_D_AMP
F_HOP
+15V
C9
T_GND
1/4 2/4
3/4 4/4
C30
SA-AK450P/PC MAIN CIRCUIT
H
70
Page 5
SA-AK450P / SA-AK45 0PC
I
J
K
L
M
N
O
P
SCHEMATIC DIAGRAM - 5
MAIN CIRCUIT
CLK
TO TUNER PACK J3CCBB000009
TO CD SERVO CIRCUIT (CN7002) IN SCHEMATIC DIAGRAM-1
CN3061
22
1
GND
L-OUT
VCC
R-OUT
VSM
FM DET/RDS
CN2801
CE
1 2
D1
3 4
D0
5 6 7 8 9
10
W599
0
W612
0
CD_GND
A_GND
CD_GND
ST_IN ST_CLK ST_REQ
CD_3.3V
CD_GND
LD_SW
+7.5V
U_GND
MCLK
MDATA
BLKCK
STAT
/REST_SW
LOADING
R2121
3.3k
C3113
C3112
W664
0
W638
0
1 2
L
3 4
R
5
C2986
6
1000P
7 8
9 10 11 12
TX
13 14 15 16 17
MLD
18 19 20
/RST
21 22
C0ABBB000230
3.3k
3.3k
R2222 R2122
220P
220P
3.3k
R2221
C2678
0.01u
R2131
3.3k
R2132
3.3k
C2985
1000P
R2231
3.3k
C2901
R2142
3.3k
IC3400
DUAL OP-AMP
C2121 3300p
C2221
3300p
R2232
3.3k
L2901
G0C101JA0052
0.1u
L2902
G0C101JA0052
W613 0
R2242
3.3k
47k
R2832
IC4000
GND
21543
0.1
L4000
W647
STBY
: MAIN SIGNAL LINE
+3.3V
47k
47k
R2831
0
NC
47k
R2829
R2830
R2847
100k
IC4000
C0DBZGC00067
3.3V REGULATOR
OUT
C4001
0.022
R2833
R2834
R2835 R2836 R2837
R2838
R2839 R2840
R2841 R2842 R2843
W633 0
C2954
560P
C2953
560P
W610
0
R2826
R2827
R2828
100 100 100 100 100 100
100
100
100
100 100
W577
: IPOD SIGNAL LINE
MCLK
MDATA
RESTSW
HOME_SW
47k
47k
47k
4.7K
4.7K
100
R2912
R2914
R2853
80 78 767779
81
MCLK
82 83
/RESTSW
HOME_SW
84
CW CCW
85
[81] CD_RST
ST_SW
86
[82] CLOSE_SW
87
PLAY_SW
[83] OPEN_SW
PLUNGER
88
REG
89 90
VOL_JOG
D-PORT_PCONT
91
[97] DECK_AD2
KEY3
92
[98] Vref
KEY2
93
[99] Avcc
94
KEY1
[100] DEMO_SET
DECK AD1
95
AVSS
96 97 98 99
100
LM_1
D-PORT DET1
1
10k
R2850
0
L4001
D0GB000J008
LM_1
D-PORT DET2
3425
R2812
100K
DLINKDET1
DLINKDET2
0
W635
DVREF+
MLD
STATUS
4.7K
R2916
MLD
STAUTS
MDATA_OUT
RDS_CLK
RDS_DAT
IP_LINK
W598
0
W607
0
F_HOP
I_POD_LINK
FL_CS
FL_DA
VREF+
FL_CLK
10K
R2805
W646 0
100
R2825
69 67 65 64666870 51
FL_CS
FL_CLK
FL_DOUT
USB_REQ
V.LED_CS
F_HOP
BYTE
D-PORT_RES2
D-PORT_RES1
IC2801
C2CBYY000424
MICROPROCESSOR
/RESET
Xcin
Xcout
Xout
CNVSS
9768
10
W606 0W676 0
CNVSS
lRESET
C2984
A_GND
D-F_SKIP
D-R_SKIP
H.BASS_LED
100
W653 0
W626 0
R2804
Vss
D-PORT_STOP
D-PROT_F-SKIP
D-PORT_R-SKIP
Vss
/NMI
Vcc
Xin
1614 15 1711 1312
R2801
C2821
100p
100p
100k
R3210
W602 0
VCC
U_GND
RMT
VCC
VCC
PAM CS
H. BASS_LED
[31] I_POD_TXD [32] I_POD_RXD [33] CLK
SYNC
BLKCK
RMT
100
10k
R2802
SYNC
BLKCK
PL
PHOTO
REC[59]
MTR[58]
D-PLAY_PAUSE
100
10k
W593 0
R2845
R2817
100
10k
R2818
R2854
REC
MTR
PHOTO
DPORT PLAY
[50] STANDBY [49] XM_PCONT [48] XM_RST
S/WOOFER CS
D1
SW_LVL1
DO
22 2320 21 26 282724 2518 19
D1
D0
CE
DMT
UP_SENSOR
BOTTOM_SW
W660 0
100
100
R2815
R2816
2R2K
R2844
53
555762 60 596163 58 56 54295275 73 717274
CE
PLG
DMT
DCDET
UP_SENSOR
BOTTOM_SW
PCONT/EFP/CS
XM_ANT_REV
XM_DAC_RESET
EE_DAT EE_CLK
EE_CS/EFP/EPM
MUTE_A
MUTE_DA
XM LINKACTIVE
XM_I2S_RATE
XM_RX_IN
XM_TX_OUT
XM_MUTE(BUSY)
AK CS
ASP_CLK
ASP_DAT
SW_LVL2
NC
30
W609
0
W632
0
ASP_DA
ASP_CLK
VOL_LED
0
R3303
100k
R2808
C2956
50 49 48
VOL_LED
47
46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31
PLL_CLK
R3211
100
R3212
100
W601
I_POD_TXD
PLL_CLK
100P
W628
0
W617
0
W634
0
100
R3213
0
IPOD_TXD
IPOD_RXD
CLK
0
W649
W659
U_GND
W645
C2872
0.022u
W644
0
W642
0
0
0
W657
0
W643
0
330p
C2871
R2894
47k
VREF+
1 2 3
22k
R2871
W6360W662
D2811
B0ADCJ000020
3
D2813
B0ACCK000005
IC2871
NC VCC GND EE_CS
EE_DAT
EE_CLK
R2873
22k
0
2
1
E-EPROM IC
(NOT SUPPLIED)
NC
8 7 6 54
XM_MUTE(BUSY)
1/4 2/4
3/4 4/4
+5V
+3.3V
+15V
TO MAIN SECTION (4/4)
IDCDET
IC2871
4.7k
R2874
330p
C2874
U_GND
STANDBY
IDCDET PCONT
MUTE_A
MUTE_D_AMP
XM_LINKACTIVE
XM_I2S
XM_RXD
XM_TXD
CLK
I_POD_RXD
C10
C11 C12
C13 C14 C15 C16
C17
SA-AK450P/PC MAIN CIRCUIT
C28
: FM/AM SIGNAL LINE
C29
CE D1
: +B SIGNAL LINE
C18
C19
C21
C23
C20
C22
W658
0
: CD SIGNAL LINE
C26
C27
TO MAIN SECTION (1/4)
R2673
47k
PLL_CLK
270
R2677
D2603
B0BC9R000008
R2921
4.7k
1K
W639
0
R2922
10k
DPORT_AUDIO_R
DPORT_GND
DPORT_AUDIO_L
A_GND
T_GND
+15V
A_GND
CD_3.3V
CD8.5V U_GND
MCLK
MDATA
MLD
+3.3V
BLKCK
STATUS
CD _RESET
RESTSW
A_GND
PA_IN_L
PA_IN_R
A_GND
A_GND
D0
CD_RESET CLOSE_SW OPEN_SW CHG_CW CHG_CCW ST_SW PLAY_SW CHG_PLR[88]
V_JOG_A D_PORT_PCONT
KEY3 KEY2
KEY1 DECK_AD1
DECK_AD2
VREF+ VCC
A_GND
SYS6V
+9V
U_GND
VREF+
W608
0
W679
W663
0
W616
W625
W637
W655
W624
R2848
10K
R2849
820
0
IN
C4000
D0GB000J008
0
0
0
0
0
C3408
100p
C3409
1
C3411
R3436
C3412
R3429
3.3K
1
R3428
100p
5.6k
5.6K
C3407
0.01
16V100
C3413
0.01
R3435
3.3K
R3427
2.7k
C3410
R3431
R3426
2.7k
R3430
2.7K
2.7k
C3406
C3414
W629
1
0
1
8
IC3400
1
R3432
10K
C3416
33p
C3417
100p
2SC3940A0A
W614
0
C3405
R3423
33p
C3404
R3425
100p
10k
675
243
C3415
100p
R3433
6.8k R3434
10K
R3461
10K
Q3601
SWITCH
C2006 1000P
6.8k
R3460
10K C3470 16V100
R2676
10k
C2676
16V220
Q3601
R2151
R2251
R3421
6.8K
R3424
R3422
6.8k
1K
R2924
R2927
10k
C2675
100p
W620
0
W603 0
D3101
B0EAKM000117
R2918
1K
0 0
C3400
10
C3471
10
C3402
10
C3401
10
1234567891011121314
71
Page 6
SA-AK450P / SA-AK45 0PC
SCHEMATIC DIAGRAM - 6
MAIN CIRCUIT
TO MAIN SECTION (3/4)
D_PORT_5V
A_GND
A_GND D_PORT_PCONT
T_GND
MOT_12V
C10 C11 C12 C13
C14
C15
C16
C17
C0CBCDG00003
REGULATOR IC
C3500
16V47
D3501
W672
0
D2937-D2939
B0EAKM000117
CN2805
: +B SIGNAL LINE
IC3500
24
5V
Vout
FIN
NC
PCOUNT
135
D3501-D3505
B0EAKM000117
D3502
D3503
MOT_12V
CHG_CCW
D2939
D2938
D2937
U_GND
CHG_CW
CW
CCW
D3504
U_GND
CD8.5V
VC_8V
2SC3940A0A
16V220P
D3505
ST_SW
OME_SW
OPEN_SW
CLOSE_SW
6589
72143
ST-SW
OPEN_SW
HOME_SW
CAM_SENSOR
: MAIN SIGNAL LINE
Q3500
SWITCH
C3501
100p
C3502
+3.3V
A_GND
PLAY_SW
UP_SENSOR
BOTTOM_SW
11 1210 1513 14
3.3V D_GND
PLAY_SW
PLUNGER
UP_SENSOR
BOTTOM_SW
TO MAIN SECTION (2/4)
QR3401-QR3405 B1GBCFGN0016
SWITCH
QR3401
R3501
100
D3508
B0BC6R000006
W611
Q2936
0
R2937
D2936
1k
R2936
B0EAKM000117
Q2937
Q2936
B1ACKD000006
CD SUPPLY
CONTROL SWITCH
SPEED
Q2937
B1GBCFJJ0051
CHANGER PLUNGER
ON/OFF SWITCH
: AUX SIGNAL LINE
QR3402
D-R_SKIP
D-RES2
+15V
R3401
D-RES1
33K
R3400
82K
B1GBCFGN0016
R2882
10M
H0A327200097
W648
0
MOT_12V
CHG_PLR[88]
10k
W615
W630
0
0
W640
0
2930
MIC
+15V
QR3403
R3402
15K
QR3400
SWITCH
R2883
330k
X2801
HP_L
A_GND
HP_L
HP_GND
MIC_GND
D-F_SKIP
D_STOP
R3403
10K
C2883
X2801
C2882
HP_R
U_GND
25 2426 21 2022 1718 13 1012 1116 1415192328 27
HP_R
DGND
QR3404
22p
18p
+3.3V
: USB SIGNAL LINE
QR3405
D-PLAY_PAUSE
R3404
6.8K
R3405
5.6K
R3411
220K
B1ABEB000012
DETECT SWITCH
R2886
SW5V
1M
W604
A_GND
PA_IN_L
PA_IN_L
H2B100500004
0
PA_IN_R
MOT_12V
MOT10V
PA_IN_R
PA_IN_GND
SW_LED
A_GND
ACK_IN
DLINKDET1
R3406
180K
D_PORT_DET1
180K
R3407
Q3400
Q3401
B1ABEB000002
DETECT SWITCH
220
R2881 X2802
31
2
A_GND
FL_CS
VOL_LED
V_JOG_A
NC
FL_CS
FL_RST
J_VOLA
VOL_LED
VCC
D_PORT_DET2
Q3401
R3410
220K
R3409
220K
R2852
22k
R2851
47k
B1GBCFJJ0051
RESET (MICRO-P) SWITCH
KEY2
KEY3
FL_DA
FL_CLK
H.BASS_LED
0
W652
0
W627
0
W650
81342
KEY3
FL_CLK
FL_DOUT
H.BASS_LED
KEY1
KEY2
W631
KEY1
VCC
DLINKDET2
R3408
W666
0
C2853
0.1u
C2803
1u
Q2803
RMT
VREF+
U_GND
6759
RMT
+VREF
U_GND
0
SYNC
SYNC
A_GND
220K
PCONT
PCONT
W618
W668
D2803
B0ACCK000005
C2854
6.3V220
W594
Q2803
D2803
U_GND
SYS6V
SYS6V
CN2806
0
0
C2802
0
A_GND
VREF+
3.3
C30
+3.3V
STANDBY
VCC
IDCDET
FAN
MOT_12V
R2945
10k
3
D2946
B0ADCJ000020
U_GND
W623
0
-9V
MOT_12V
IDCDET
(cater)
CD_3.3V +5V PCONT U_GND
C2753
P_GND
lRESET CNVSS
W605 0
VCC XM_MUTE(BUSY) U_GND
CLK IPOD_RXD IPOD_TXD
C2945
12
R2946
56k
W595
0
W576
0
16V47
0.1u
C2944
R2944
100P
R2943
10K
Q2943
C2947
6.3V100
3.3V
12
-VCC
11 10
XM5.3V
MOT_12V
9 8
STANDBY
/DCDET
7
3.3V
6
+5V
5 4
PCONT
3
UP_GND
FL_GND
2
P-GND
1
1
/RESET CNVSS
2 3
VCC BUSY
4 5
EFM CLK
6
RXD
7
TXD
8
C2940
Q2942
4.7K
R2949
47K
R2948
100
Q2948
R2947
27
CN2808
R2942
5.6K
R2940
820k
0.1u
R2939
47K
C2948
10V220u
10k
R2941
C2941
Q2949
B1ACKD000006
FAN MOTOR ON/OFF SWITCH
50V33
0
W621
0
W622
TO POWER CIRCUIT (CN5103) IN SCHEMATIC DIAGRAM-10
SOFTWARE WRITING
Q2942
+
1 2
-
CN2810
Q2943
B1ABCF000176
CONTROL SWITCH
Q2948,Q2949
B1ABCF000176
DC DETECT SWITCH
FAN SUPPLY
TO FAN
I
J
K
L
M
N
O
TO CRSI (CN1)
TO PANEL CIRCUIT (CN6601) IN SCHEMATIC DIAGRAM-7
1/4 2/4
3/4 4/4
SA-AK450P/PC MAIN CIRCUIT
15 16 17 18 19 20 21 22 23 24 25 26 27 28
72
P
Page 7
SA-AK450P / SA-AK45 0PC
19.4. (D) Panel Circuit
1234567891011121314
A
SCHEMATIC DIAGRAM - 7
PANEL CIRCUIT
:+B SIGNAL LINE
: MAIN SIGNAL LINE
: AUX SIGNAL LINE
TO TRANSFORMER CIRCUIT (CN5951) IN SCHEMATIC DIAGRAM-12
A
H6555
B
D6458
3.3K
R6458
SG14
SYS6V
SG13
R6481
POWER
B3AAA0000583
SG11
SG12
W904
0
0
VREF+
SG10
R6109
39K
W911
W913 0 W926 0
0
W908
0
W909
0
KEY2
VREF+
HP_SW
GND2
VREF+
KEY3
VJOG_A
MOT12V
H.BASS_LED
KEY3_2
VOL_LED
KEY1_OUT
KEY1_IN
GND2
C6631
FL_RST
FL_DOUT
FL_CLK FL_CS
W903
0
W901
0
W910
0
PA_SW
GND2
GR1
GR2
GR4
1000P
C6602
100P
C6601
100P
C6603
GR3
100P
C6604
R6605
82K
W915
22
R6602
470
R6604
220
220
R6603
R6601
470
W1000
0
W1004
0
W1006
0
S6201
KEY2
CD1
R6202
C
D
TO SUB PANEL CIRCUIT (JW6001)
E
IN SCHEMATIC DIAGRAM-8
S6202
CD2
S6203
CD3
S6204
CD4
S6205
CD5
S6206
/FF/
S6207
/REW/
H.BASS_LED
JW6002
GND2
VREF+
KEY3
VJOG_A
MOT10V
KEY3_2
VOL_LED
KEY1 OUT
KEY1 IN
1K
R6203
1.2K 1K
R6204
1.8K
R6205R6206
2.2K
2.7K39K
R6207R6208
R6209
4.7K
1 2 3 4 5 6 7 8 9
10
10K
R6493
KEY1_IN
GR5
0
S6105
OPTION
R6105
1.8K
KEY1_OUT
GR6
GR8
GR9
GR7
P0 G10
1 2
P1
[44] VSS
P2
3
P3
4
OSC
5
C0HBB0000057
6
NC DIN
7
CLK
8
STB
9
K1
10 11
K2
12 151413 18 20
C6636
100P
C6623
50V22
GND2
S6104
GR10
GR1
VDDVDD
[12] VSS
SG1
+3.3V
SINGLE
GR11
GR2
GR1
GR2
IC6601
FL DRVIER
SG1
SG2
1617
SG2
S6103
CHANGE
R6104
1.2K 1K
GR12
GR4
GR3
GR5
GR4
GR3
GR5
[38] GR8 [34] GR9
[22] SG9
SG5
SG4
SG3
19
SG4
SG5
SG3
S6102
OPEN/
CLOSE
R6103
A2BD00000171
GR7
GR8
GR6
3537424443 39384140 36
34
GR7
GR6
G11
G12/S17
VEE
S16 S15 S14 S13 S12 S11 S10
SG6
SG7
SG8
21
22
SG8
SG7
SG6
MULTI
CHANGE
R6102
1K
FL6602
FL DISPLAY
GR9
33 32 31 30 29 28 27 26 25 24 23
SG9
S6101
KEY1
-VP_A
AC IN
R6199
10K
GR12
SG16
GR10 GR11 GR12
SG16 SG15 SG14 SG13 SG12 SG11 SG10
VREF+
SG15
F
FL1
R6631
47
W924
0
FL2
R6632
0
47
W1011
D6635
B0BC5R600003
W1012
0
SG8
SG9
W925
0
B3RAB0000146
REMOTE SENSOR
3
SG7
Z6481
SG6
21
SG5
C6481 50V22
1
SG4
FL2
W914
0
SG3
RMT
GND2
FL1
-VP
SYS6V
326745198
-VP
C6635 50V2.2
SG2
SG1
SYS6V
PCONT
SYNC
PCONT
PA_IN_L
PA_GND
STGND
SYNC
W907
0
50V22
C6632
4339353127 2825 26 3029 3432 33 3836 37 4240 41131211 15 161410 23 2418 1917 21 22207135246 98 44
PA_SW
PA_IN_R
DGND
GND2 GND3 SYNC
PCONT
SYS6V
-VP_A GND2
GND2
SYS6V PCONT SYNC VREF+ RMT P_GND KEY1 KEY2 KEY3 H.BASS_LED FL_CLK FL_DOUT FL_CS FL_RST
VJOG_A VOL_LED
MOT12V PA_IN_R PA_GND PA_IN_L +3.3V GND2 HP_R HP_GND HP_L
HP_GND
HP_L
HP_R
HP_SW
GND2
D6301
B0ACCK000005
W9050W906
L6552
L6553
0
C6553
0.01 C6551
0.01
C6552
0.01
1
SYS6V
2
PCONT
SYNC
3 4
VREF+
5
RMT
6
P_GND
KEY1
7
KEY2
8
KEY3
9
H.BASS_LED
10
FL_CLK
11
FL_DOUT
12
FL_CS
13
FL_RST
14 15
NC
16
VJOG_A
17
VOL_LED
18
NC
19
MOT12V PA_IN_R
20
PA_IN_GND
21
PA_IN_L
22
+3.3V
23
D_GND
24 25
HP_R HP_GND
26
HP_L
27
MIC_GND
28
MIC
29 30
+15V
CN6601
7
6
1
2
3
4
5
JK6551
TO MAIN CIRCUIT (CN2806) IN SCHEMATIC DIAGRAM-6
HEADPHONE
B
C
D
E
F
5
4
0
3
2
1
6
7
MUSIC PORT
G
3.3K
0
C6754
0.01
W1003
0
0.01
C6755
W10010W1002
C6753
0.01
R6763
W1005
0
R6751
3.3K
1.5K
G
R6752
1.5K
R6754
R6753
JK6751
H
SA-AK450P/PC PANEL CIRCUIT
H
1234567891011121314
73
Page 8
SA-AK450P / SA-AK45 0PC
19.5. (E) Sub Panel Circuit, (F) D-Port Circuit & (I) Deck Mechanism Circuit
1234567891011121314
A
B
C
D
E
SCHEMATIC DIAGRAM - 8
SUB PANEL CIRCUIT
R6457
120
K6104
10K
R6399
OPEN
KEY3
S6301
R6302
1K
CD
S6302
R6303
1K
TAPE
R6304
S6303
1.2K
TUNER
R6305
S6304
1.8K
MUSIC PORT
S6305
R6306
REC
S6306
H. BASS
S6308
2.2K
R6307
2.7K
R6308
4.7K
R6309
6.8K
R6310
10K
10K
R6494
12K
R6492
C6492
100P
1 A
EVEKE2F3024B
VOLUME JOG
COM
VR6491
D6457, D6452
B3ACA0000302
D6462
VOL LED
D6457
0
QR6457
B1GBCFLL0037
LED DRIVE
R6491
22K
C6491
100P
DISPLAY
3
2
B
S6107
STOP/
-DEMO
S6109
KEY1
R6106
2.2K
R6107
2.7K
R6108
4.7K
GND2
1 2
VREF+
3
KEY3
4
VJOG_A
5
MOT10V
6
H.BASS_LED KEY3_2
7 8
VOL_LED
9
KEY1 OUT
10
KEY1 IN
:+B SIGNAL LINE
JW6001
TO PANEL CIRCUIT (JW6002) IN SCHEMATIC DIAGRAM-7
D-PORT CIRCUIT
WA3002
0
WA3004
0
WA3003
0
TO MAIN CIRCUIT (CN3400) IN SCHEMATIC DIAGRAM - 4
CN806A
DOCK_L
AGND
DOCK_R
DOCK_DET1 DOCK5VGND DOCK5VGND
DOCK5V DOCK5V
DOCK_DET2 DOCK_UOUT
AD_CTRL
IPOD_DET
UART_IN
1 2 3 4 5 6 7 8
9 10 11 12 13
DECK MECHANISM CIRCUIT
TO DECK (CP1902) ON SCHEMATIC DIAGRAM-10
PL_GND
PHOTO_T
RECINH_F
S975
(REC_INH_F)
VREF-
VREF+
4
3
987654321
CR02
1
2
CS971
PL
D971 MA2C16500E
R972
820
S971
MODE
(MODE)
HALF
S972
PL
(HALF)
R973
39K
:+B SIGNAL LINE
WA3001
0
: IPOD SIGNAL LINE
C3001
0.1u
R3002
R3001
330K
220K
BATT_GND
1
GND
2
IPOD_ACC
3
NC
4
D-
5
DOCK_LIN
6
A_GND
7
DOCK_LOUT
8
V_GND
9
D+
10
VIDEO
11
DO_UART_OUT
12
DOCK_R OUT
13
RESERVED
14
DOCK_DET2
15
DOCK_R IN
16
DOCK_DET1
17
(MIC_VCC) (RF_MUTE)
18
BATT2
19
DO_UART_IN
20
(A/D CONT) (RF_SEL)
21
IPOD_DET
22 23
DOCK5V
24
VBUS
:+B SIGNAL LINE
CN2401
OPTION V.1
(TO DOCK)
F
IC971
CNB13030R2AU
PHOTO INTERUPTOR
A
B
C
D
E
F
G
H
SA-AK450P/PC SUB PANEL/D-PORT/DECK MECHANISM CIRCUIT
G
H
1234567891011121314
74
Page 9
SA-AK450P / SA-AK45 0PC
19.6. (G) Power Circuit
1234567891011121314
A
B
C
D
E
F
G
H
SCHEMATIC DIAGRAM -9
POWER CIRCUIT
Q5154
Q5173
B1ABCF000176
SWITCH
2SB0709AHL
PCONT SWITCH
R5153
1K
R5174
0
100
Q5153
R5148
+5V
Q5173
1K
R5149
AGND
1K
GND1
R5173
W680 0
MUTE_F
MODE
+5V
W681
0
PCONT
(I/P_GND)
Q5201
B1ABCF000176
FREQUENCY HOPPING
SWITCH
Q5202
B1ADCF000063
FREQUENCY HOPPING
SWITCH
1K
R5146
B1ABCF000176
HI_R
AGND
C5336
LO_R
AGND
AGND
F_HOP
AGND
+5V
G1
R5154
100
C5121
47u
AGND
Q5153
MODE SWITCH
C5301
R5301
5.6K
C5337
1000P
C5303R5302
5.6K
R5303
C5304
5.6K
C5306
1000P
R5304
5.6K
C5210
R5204
C5701
100
C5202
100P
Q5201
Q5202
R5209
X5202
H2A375300003
: +B SIGNAL LINE
W679
0
IC5301
OUT1
C5313
C5314
R5305
0
C5326
14
13
12
11
10
0.1u
VSSP1
0.015u
0.1u
C5315
(O/P_GND)
2
22
C5325
9
C5316
0.1u
0.1u
STABI
C5318
C5317
VDDP2
OUT2
BOOT2
0.015u
R5522
1M
C5320
0.1u
R5307
10
C5327
0.47u
220P
22
0.1u
0
IC5201
LOGIC
VSSD
C5321
C5322
0.1u
220P
C5331
C5330
D5153-D5156
B0JAME000119
VSSP2
0.47u C5319
0.1u
0.1u
31
4
R5306
C5328
C5329
AGND
(O/P_R_GND)
R5514
0
C0JBAB000011
D5153
C1AA00000755
2-CH DIGITALAMP
VDDA1
VSSA1
OSC
IN1-
IN1+
123456789101112 13 14 15 16 17 18 19 20 21 22 23
18P
R5201
1K
R5207
330P
C5302
330P
C5305
R5203
X5202
6.8K
C5208
6.3V220u
W690
C5203
100P
10K
0
C5308
0.1u
R5202
100K
C5201
470P
R5205
X5201
H2A415300001
C5204
100P
AGND
W748
0
100K
R5206
0.47u
0.47u
0.47u
0.47u
100K
10
VDDP1
SGND
C5309
1M
BOOT1
PROT
1M
R5521
220P
0.1u
C5310 C5311
0.1u
C5312
0.1u
AGND
(I/P_GND)
W682
0
L5301
G0B185LA0002
C5324
0.47u
AGND
(O/P_L_GND)
R5210
0
VCC
1A
1
6A
1Y
2
6Y
2A
3
IC5201
5A
2Y
4
5Y
3A
5
4A
3Y
6
4Y
GND
78
AGND
C5205
: -B SIGNAL LINE
VSSA1
VDDA1
SGND
IN2-
0.1u
0.1u
C5323
R5308
10
220P
220P
C5333
C5332
D5156
D5155
D5154
C5123
35V470
C5124
35V470
+VCC2
MODE
IN2+
C5123
L5102
L5101
J0JKB0000037
-VCC2
: MAIN SIGNAL LINE
R5419
0
10
10
R5139
R5138
C5437
1000P
C5436 1000P
AGND
J0JKB0000037
HI_L
IC5401
VSSP1
OUT1
C5416
0.015u
0.1u
C5417
0.1u
24
220
0.1u
Q5103
AGND
STABI
0.47u
AGND
AGND
R5406
C5428
C5429
VSSP2
C5418
0.1u
22
0.1u0
C5105
OUT2
C5419
31
AGND
10V220u
VDDP2
BOOT2
0.015u R5524
C5420
C5430
C5427
0.47u
C5117
35V470
L5403
J0JKB0000037
100K
R5111
VSSD
1M
C5421
0.1u
220P
0.1u
C5422
R5407
1000P
C5155
C1AA00000755
2-CH DIGITALAMP
VDDA2
VSSA2
OSC
IN1-
IN1+
123456789101112 13 14 15 16 17 18 19 20 21 22 23
0.1u
C5408
R5402
C5403
5.6K
0.47u
C5402
R5401
330P
5.6K
C5401
0.47u
C5406
R5404
0.47u
R5403
5.6K
5.6K
C5404
0.47u
330P
C5405
SGND
C5409
VDDP1
BOOT1
PROT
1M
R5523
220P
C5411
0.1u
C5410
C5415
0.1u
C5412
0.1u
L5401
G0B185LA0002
C5424
0.47u
AGND
Q5103,Q5104
B1ABCF000176
FAN ON/OFF SWITCH
C5413
C5414
0.1u
(O/P_GND)
(I/P_GND)
R5405
C5425
C5426
Q5104
390K
390K
R5113
R5112
LO_L
DC_DET
VSSA2
0.1u
10
SGND
C5423
VDDA2
R5408
220P
220P
C5432
C5431
C5118
R5313
10
150K
0.1u
IN2-
220P
C5433
100K
R5413
IN2+
L5402
LOW_R
W751
MODE
W712
10
10
R5140
R5141
C5118
35V470
J0JKB0000037
56K
R5312
0
0
D5157-D5160
B0JAME000119
D5158
D5157
220K
R5412
FAN
D5159
D5160
D5126
B0ACCK000005
R5150
G2
220K
10K
R5317
10K
R5417
LL-
LH-
RH+
RL+
1/2
2/2
SA-AK450P/PC POWER CIRCUIT
A
B
C
D
E
F
G
H
75
Page 10
SA-AK450P / SA-AK45 0PC
I
SCHEMATIC DIAGRAM - 10
POWER CIRCUIT
: +B SIGNAL LINE : -B SIGNAL LINE
: MAIN SIGNAL LINE
G1
G2
J
L5604
G0B9R5K00001
LL-
34
12
K
LH-
RH+
L
Q5101,Q5102
B1DEGM000026
CURRENT CONTROL SWITCH
5.6V
CTRL
R5151
150K
C5131
6.3V100
-9V
B0AAFK000004
AGND
-VCC2
D5125
+VCC2
R5147
2.2
R5152
0
Q5111
B1BACG000023
+15V REGULATOR
D5152
B0BA01900005
25V100u
C5109
25V100u
C5110
Q5112
B1BCCG000002
CURRENT STABLISER
C5159
Q5114
C5113 50V33
R5132
330
Q5114
B1ABCF000176
11V REGULATOR
C5157
0.01u
0.01u
R5127
470
10K
R5133
R5134
B0BA01100004
R5123
4.7
R5126
1K
D5107
B0BA01500003
R5137
CURRENT LIMITER SWITCH
2.2
2.2
R5136
R5135
2.2
Q5113
1.2K
D5109
K9ZZ00001279
C5101
35V1000
Q5110
B1GACFGA0002
26V REGULATOR
Q5113
SUB+B
C5104
35V1000
B1GDCFNA0001
132
E5103
+VCC2
C5151
100P 100P
C5153
R5101
10K
D5105
D5101
B0BA01100004
Q5110
D5102
B0BA02600018
D
B0BA02400029
R5109
1K
R5110
2.2K
M
F_HOP
1
TGND
2
MODE
3 4
TO MAIN CIRCUIT (CN2809) IN SCHEMATIC DIAGRAM-4
N
TO MAIN CIRCUIT (CN2808)
O
IN SCHEMATIC DIAGRAM-6
CN5102
15V
HIGH_LIN
HIGH_RIN
ASPGND
LOW_LIN
LOW_RIN
AGND
SUBWOOFER
FAN
PGND
FLGND
DGND
PCONT
+5V
CD3.3V
DC_DET
mUTE-F_HOP
MOTOR 12V
XM5.3V
+3.3V
5 6 7 8
9 10 11 12
1
2
3
4
5
6
7
8
9 10 11
-9V 12
F_HOP
MODE
+15V
HI_L
HI_R
AGND
LO_L
LO_R
AGND
FAN
PCONT
+5V
CD3.3V DC_DET MUTE_F
MOTOR12V
XM5.3V
-9V
+15V
XM5.3V
CD3.3V PCONT
MOTOR12V
+5V
AGND
D5130
B0JAME000025
C5133
6.3V100
C5132
25V100
IC5101
C0DAZYY00005
REGULATOR IC
24
VCC
3.3V
GND
135
CN5103
Q5101
S
G
D5102
S
Q5102
G
R5108
47
D
R5114
1.8
0.1u
C5114
B0BA01100004
C5102
10u
R5103
10K
D5104
D5103
B0BA5R100004
RL+
D5122
B0EAKP000134
D5122
D5121
B0EAKP000134
-VCC1
R5107
Q5108
R5106
Q5109
2SB0709AHL
VOLTAGEREGULATOR
C5103
100V10u
560
22K
Q5109
W684
0
+VCC1
K9ZZ00001279
ACIN
C5152
0.1u
B1ABCF000176
W706
0
R5105
10K
132
CHASIS GND
E5101
Q5108
SWITCH
34
12
L5603
G0B9R5K00001
34
12
L5601
G0B9R5K00001
34
12
L5602
G0B9R5K00001
C5107
0.1u
C5187
0.1u
C5186
0.1u
C5106
0.1u
C5335 0.015
C5343
0.015
C5334
0.015
C5435
0.015
63V1000u
63V1000u
C5434
0.015
C5438
0.015
C5171
C5172
AGND
RH+
RH-
RL+
RL-
C5115
0.1u
LL-
LL+
LH- LH+
SUB+B
LEFT LOW +
1 2
LEFT LOW - LEFT HIGH +
3
LEFT HIGH -
4
RIGHT LOW +
5
RIGHT LOW -
6
RIGHT HIGH +
7
RIGHT HIGH -
8
NC
9
1
+VCC1
2
+VCC1
3
-VCC1
4
-VCC1 AGND
5
AGND
6
ACIN
7
SUB+B
8
DGND
9
JK5101
H5104
SPEAKERS
TO TRANSFORMER CIRCUIT (CN5950) IN SCHEMATIC DIAGRAM-12
I
J
K
L
M
N
O
1/2
2/2
P
SA-AK450P/PC POWER CIRCUIT
P
1234567891011121314
76
Page 11
SA-AK450P / SA-AK45 0PC
19.7. (H) Deck Circuit
1234567891011121314
A
B
C
D
E
F
G
H
SCHEMATIC DIAGRAM - 11
DECK CIRCUIT
ERASE
HEAD
R/P
HEAD
LCH
RCH
CP1301
5 4 3
2
1
: +B SIGNAL LINE
C1105 470P
R1103
R110133C1104
C1103
16V100
PB Lin
PB Rec
Rec
PB
1
50V1
C1201
L1302
Q1309
R1330
4.7
C1121 1000P
- +
+
-
PB Rin
C1221 1000P
2122
PB AMP(L)
PB AMP(R)
2
C1203
16V100
33
R1201
Q1310
0.027
R1102
1.5K
PB LNF
PB RNF
470P
C1102
50V1
C1202
470P
C1318
R1332
10K
R1333
4.7
0.047
C1319
16V100
R1331
7.5K
C1101
R1061
0
G0C470JA0052
Q1312
ERASE
5
PBLIN
4
GND
3
PBRIN
2
GND
1
IC1001
AN7326K
DECK R/P IC
R1064
0
IC1000
C1AA00000612
ANALOG SWITCH
H=OFF
VCC
12 435
R1063
4.7K
0
R1334
22K
R1338
Q1317
L1301
G2ZZ00000024
324
5
1
6
R1335
1.5K
D1301
B0ACCK000005
C1320
50V1
C1323
6
C1324
16V47
1
B1ABGC000005
BEATPROOF LEVEL SWITCH
4700P
C1321
Q1317
R1337
10K
: TAPE RECORD SIGNAL LINE
C1122
18K
0.01
10K
R1104
C1106
50V2.2
C1107
20
PB REQ
3
C1207
1500P
1.5K
R1202
C1204
25V 0.027
R1203 18K
C1316 1000P
C1317 1000P
C1314 2200P
1500P
PB LEQ
Mute
Mute
C1206
C1205
19
50V2.2
10K
R1204
470
C1302
ALC
PB
LOW
L out
OUT
TPS
IC1001
PB
TPS
Rout
4
5
C1301
50V0.1
R1329
4.7K
C1312
R1327
4.7K
C1315 2200P
C1311 16V47
0.033
C1303
0.033
C1222
3300P
1718
0.01
270P
C1123
4.7M
R1303
470
R1302
16
REC
TPS
Lin
GAIN ADJ
REC AMP(L)
REC AMP(R)
REC
TPS
Rin
Out
6
7
0.01
C1371
RECH1
3
R1328
15K
C1304
16V10
C1108
14
15
REC
ALC
Lout
Rec
PB
PB
ALC
REC/PB
Rec
PB
LOGIC
PB/REC
REC Rout
911
8
270P
C1223
R1304 22K
10K
R1305
16V10
C1208
RECH1
Q1309, Q1310
B1AAGC000006
B1ABCF000011
2
: TAPE PLAYBACK SIGNAL LINE
C1307
10V220
50V4.7
12
13
Vcc
Nor/Cro SW
Rec
NOR/Chro
LOGIC
RIPPLE
REJECTION
GND
RF
SW
10
C1308 16V22
C1305 16V33
BIAS SWITCH
Q1312
SWITCH
R1105
2.2K
C1110 6800P
R1205
2.2K
C1210 6800P
C1109
50V3.3
C1209 50V3.3
R1371
TPS
22K
R1401
12K
R1404
CP1902
TO DECK MECHANISM (CS971) ON SCHEMATIC DIAGRAM-8
22K
R1405
10K
PLVCC
R1106
100K
R1206
100K
R1318
10K
GND2
R1403
VREF+
VREF-
PHOTO
987654321
Q1101,Q1201
B1ABGC000005
MUTTING SWITCH
Q1101
Q1201
B1GDCFGH0002
RECH1
DECK_AD2
VREF+
10K
DECK_AD1
VREF-
R1402
270K
PHOTO
21
WR1903
21
R1107
1K
R1207
Q1304
REC:H
1K
2SD09650RA
R1309
470
R1341
470
Q1316
SWITCH
R1109
1K
R1209
1K
R1374
470
Q1302
B1GDCFJJ0002
DECK MUTTING CONTROL
C1310
R1313
50V0.1
10K
R1110
33K
R1210
33K
Q1303
B1GBCFGH0001
SWITCH
Q1314
B1GDCFGH0002
R1342
Q1314
SWITCH
47K
R1314
1K
Q1315
R1343
3.3K
R1345
1K
RECH
PHOTO +5V
VREF- VREF+
RECH
DECK_AD2
DECK_AD1
16V10
C1326
R1344
27K
Q1315
B1ACKD000006
SWITCH
PHOTO
21
+5V
20
9V_GND
19
VREF-
18
VREF+
17
DMT
16 15
REC
14
REC Rin
13
REC Lin
12
AF_GND
11
AF_GND
10
PB Rout
9
PB Lout
8
9V (DV9)
7
DECK_AD2
6 5
MOTOR_9V DECK_AD1
4 3
MOTOR_GND MOTOR_H
2
PL
1
CN1305
TO MAIN CIRCUIT (CN2803) ON SCHEMATIC DIAGRAM-3
A
B
C
D
E
F
G
H
SA-AK450P/PC DECK CIRCUIT
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77
Page 12
SA-AK450P / SA-AK45 0PC
19.8. (J) Transformer Circuit
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A
B
C
D
E
SCHEMATIC DIAGRAM - 12
TRANSFORMER CIRCUIT
+VCC1
1
+VCC1
2
-VCC1
TO POWER CIRCUIT (H5104) IN SCHEMATIC DIAGRAM-10
TO PANEL CIRCUIT (H6555) IN SCHEMATIC DIAGRAM-7
CN5950
CN5951
-VCC1 GND GND
SUB+B
GND
SYS6V SYS6V
PCONT
SYNC
GND
DGND
3 4 5 6 7 8 9
2SB0621AHA
VOLTAGEREGULATOR
FL2
1 2
-VP FL1
3 4 5 6 7 8 9
Q5951
C5958
0.01u
C5957
10
B0AAFK000004
FP5940
7A
C5940
50V1000u
C5920
50V1000u
FP5920
7A
R5961
150
D5960
B0BA02400030
D5966
R5960
4.7K
C5956
R5963
82
47
:+B SIGNAL LINE
D5959
B0EAKP000134
D5958
D5963
B0AAFK000004
D5972
B0EAMM000055
D5973
B0EAMM000055
C5955
22u
B0EAKP000134
D5952
B0EAMM000055
D5953
B0EAMM000055
C5950
25V2200
C5960
0.1u
D5970
D5971
D5956
B0EAKP000134
D5957
B0EAKP000134
GND
D5950D5951
B0EAMM000055
B0EAMM000055
D5954
C5959
0.01u
D5955
B0EAMM000055
B0EAMM000055
B0EAKP000134
B0EAKP000134
R5950
GND
R5951
FP5950
3.3M
3.3K
T5950
G4CYAYY00147
MAIN TRANSFORMER
8
9
10
11
4A
12
13
14
15
16
RL5950
K6B1AEA00015
3
7
6
5
4
3
2
1
2
A
B
C
D
E
F
Q5950
B1AAKD000014
VOLTAGE REGULATOR
12
C5953
0.01u
R5953
150
R5952
4.7K
D5964
3
C5954
0.01
R5958
G
Q5952
B1GACFJJ0018
SYNCHRONISATION SWITCH
10K
R5957
10K
C5963
4.7
C5952 10V47
C5961
10V220
B0BA6R800008
C5962
10V220
C5951
0.01u
D5961
D5962
T5951
G4C2AAJ00005
SUB TRANSFORMER
B0AAFK000004
8
72
6
5
B0AAFK000004
H
D5965
4
Q5953
PCONT SWITCH
Z5950
ERZV10V511CS
1
L5950
ELF15N035AN
FC2
FC1
F1
125V T4AL
4
1
JK5950
3
2
AC IN
120V 60Hz
B0AAFK000004
B1AACF000064
1
3
4
F
G
H
SA-AK450P/PC TRANSFORMER CIRCUIT
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78
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